Etymograph

English

October

October comes from Old French octobre ‘October (month)’, from Latin octō ‘eight’, and ultimately from Proto-Indo-European *oḱtṓw ‘twice four’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*oḱtṓw‘twice four’reconstructed
  2. Latinc. 75 BCE–200 CEoctō‘eight’
  3. Latin, derivedc. 75 BCE–200 CEOctōber‘eighth month’
  4. Old Frenchc. 842–1400octobre‘October (month)’
  5. Englishearliest quotation 1716October

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*oḱtṓw‘twice four’reconstructed
  2. Latinc. 75 BCE–200 CEoctō‘eight’
  3. Latin, derivedc. 75 BCE–200 CEOctōber‘eighth month’
  4. Old Frenchc. 842–1400octobre‘October (month)’
  5. Englishearliest quotation 1716October

Earliest quotation: 1716, The Drummer; or: “Sir, if I vvas vvorthy to adviſe you, I…”

Linked words

through Proto-Indo-European *oḱtṓw ‘twice four’

eight, octave, aught, octavo, 18 more

Today it means

name The tenth month of the Gregorian calendar, following September and preceding November.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *oḱtṓw / October

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